PGNiG TERMIKA Energetyka Rozproszona Sp. z o.o. (PTER Sp. z o.o., until March 9, 2017, operating as NYSAGAZ Sp. z o.o.) is a licensed company engaged in the generation, transmission, and distribution of heat and the generation of electricity in cogeneration.
The company focuses its activities on the distributed energy segment, which includes local gas-fired boiler rooms, central boiler rooms, and gas-fired cogeneration units.